Solve the problem and write the answer using scientific notation.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 
the distance from the sun to Mars?
A. 763 sec
B. 7.63 × 102 sec
C. 7.63 × 103 sec
D. 7.63 × 102 min
Answer: B
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Answer the following question involving a conversion within the USCS system.The customer bought a peck of flour. How many cubic inches of flour did he buy?
A. 268.8 in.3 B. 67.2 in.3 C. 537.6 in.3 D. 33.6 in.3
Determine the slope of the line.
A. -3 B. -5 C. 1 D. -7
Solve the problem.If an investment of P dollars grows to A dollars in two years, the annual rate of return on the investment is given by 
Jared Spencer bought a collector's coin set for $770 and sold it two years later for $1192. What was the approximate annual rate of return of his investment? Round to the nearest tenth of a percent.
A. 19.4% B. 24.4% C. 27.4% D. 7.4%
Find the angle between the vectors u and v if 
and 
Round answer to two decimal places.
A. 36.87° B. 37.83° C. 38.28° D. 34.94° E. 35.63°